CA2160536C - Anti-rewet deck for press rolls - Google Patents
Anti-rewet deck for press rolls Download PDFInfo
- Publication number
- CA2160536C CA2160536C CA002160536A CA2160536A CA2160536C CA 2160536 C CA2160536 C CA 2160536C CA 002160536 A CA002160536 A CA 002160536A CA 2160536 A CA2160536 A CA 2160536A CA 2160536 C CA2160536 C CA 2160536C
- Authority
- CA
- Canada
- Prior art keywords
- drainage
- roll shell
- deck
- liquid
- roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/08—Pressure rolls
- D21F3/083—Pressure rolls perforated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/37—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/74—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate
- B01D33/742—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging filtrate containing fixed liquid displacement elements or cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/20—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using rotary pressing members, other than worms or screws, e.g. rollers, rings, discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/28—Position of the filtering element
- B01D2201/282—Filtering elements with a horizontal rotation or symmetry axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/38—Preventing rewetting of the filter cake on the filter media
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/062,092 US5470471A (en) | 1993-05-14 | 1993-05-14 | Anti-rewet deck for press rolls |
US08/062,092 | 1993-05-14 | ||
PCT/US1994/004962 WO1994026388A1 (en) | 1993-05-14 | 1994-05-05 | Anti-rewet deck for press rolls |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2160536A1 CA2160536A1 (en) | 1994-11-24 |
CA2160536C true CA2160536C (en) | 2000-01-25 |
Family
ID=22040176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002160536A Expired - Lifetime CA2160536C (en) | 1993-05-14 | 1994-05-05 | Anti-rewet deck for press rolls |
Country Status (8)
Country | Link |
---|---|
US (1) | US5470471A (no) |
EP (1) | EP0697909A4 (no) |
JP (1) | JPH09500327A (no) |
BR (1) | BR9406297A (no) |
CA (1) | CA2160536C (no) |
FI (1) | FI955458A0 (no) |
NO (1) | NO954179D0 (no) |
WO (1) | WO1994026388A1 (no) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE505539C2 (sv) * | 1995-12-08 | 1997-09-15 | Sunds Defibrator Ind Ab | Valspress för avvattning av pappersmassa |
US6044980A (en) * | 1997-01-30 | 2000-04-04 | J. Houle & Fils Inc. | Drum press extractor |
US6154626A (en) * | 1998-11-05 | 2000-11-28 | Xerox Corporation | Development roller |
SE515543C2 (sv) | 1998-11-06 | 2001-08-27 | Valmet Fibertech Ab | Avvattningsanordning |
DE10341237A1 (de) * | 2003-09-08 | 2005-03-24 | Voith Paper Patent Gmbh | Walze zur Herstellung und/oder Behandlung einer Faserstoffbahn und Verfahren zur Herstellung der Walze |
US6872885B1 (en) | 2003-12-23 | 2005-03-29 | Hubbell Incorporated | Recessed electrical fixture assembly with insulation barrier and method of using the same |
US7285180B2 (en) * | 2004-04-19 | 2007-10-23 | Gl&V Management Hungary Kft. | Perforated deck made out of a plurality of segments |
SE530578C2 (sv) * | 2006-11-23 | 2008-07-08 | Metso Paper Inc | Pressvals för tvättning och/eller avvattning av massa och förfarande för tillverkning eller reparation av sådan pressvals |
DE102008059597A1 (de) * | 2008-11-28 | 2010-06-02 | Mahle International Gmbh | Filtriervorrichtung |
SE533558C2 (sv) * | 2009-03-04 | 2010-10-26 | Metso Paper Inc | Anordning i tvättpress för att motverka återvätning |
SE533871C2 (sv) * | 2009-05-29 | 2011-02-15 | Metso Paper Inc | Anordning för att förhindra återvätning av massan i en apparat för tvättning och/eller avvattning av massa |
SE534655C2 (sv) * | 2009-12-15 | 2011-11-08 | Metso Paper Inc | Trumma för bearbetning av cellulosamassa, apparat innefattande trumman samt förfarande för framställning av trumman |
SE536171C2 (sv) * | 2011-10-12 | 2013-06-11 | Metso Paper Sweden Ab | Enhet för förhindrande av återvätning av cellulosamassa vid tvättning och/eller avvattning |
SE537853C2 (sv) * | 2013-05-07 | 2015-11-03 | Valmet Oy | Apparat för tvättning och/eller avvattning av massa med en insats för förhindrande av återvätning av massan |
US9803319B2 (en) | 2014-12-19 | 2017-10-31 | Andritz Inc. | Press roll comb plate and related method |
SE541307C2 (en) * | 2017-10-24 | 2019-06-25 | Valmet Oy | Pressure relief drum washer and a method for manufacturing the drum washer |
CN110273185A (zh) * | 2019-07-05 | 2019-09-24 | 杭州沃洱士科技有限公司 | 片式纤维压榨辊 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3150083A (en) * | 1961-01-30 | 1964-09-22 | Improved Machinery Inc | Filters |
US3225935A (en) * | 1963-01-10 | 1965-12-28 | Us Rubber Co | Drainage bed |
SE328466B (no) * | 1963-06-13 | 1970-09-14 | U Strindlund | |
GB1045580A (en) * | 1964-01-20 | 1966-10-12 | Improved Machinery Inc | Wire wound filter with underlying peripherally spaced cover elements |
SE300759B (no) * | 1964-03-20 | 1968-05-06 | Ekstroems A Maskinaffaer Ab | |
US3680708A (en) * | 1970-09-10 | 1972-08-01 | Improved Machinery Inc | Rotary drum filter |
US3837499A (en) * | 1971-03-29 | 1974-09-24 | Improved Machinery Inc | Drum structure for rotary drum filtering apparatus |
US3840429A (en) * | 1972-08-07 | 1974-10-08 | Beloit Corp | Anti-rewet membrane for an extended press nip system |
US3969802A (en) * | 1974-04-25 | 1976-07-20 | Jean Bouvet | Mill roll |
US4154687A (en) * | 1978-10-13 | 1979-05-15 | Lavalley Industrial Plastics, Inc. | Replaceable valve seat for center valve filter drum |
US4276169A (en) * | 1980-04-10 | 1981-06-30 | Dorr-Oliver Incorporated | Drainage deck assembly for rotary vacuum drum filter |
US4353296A (en) * | 1981-03-23 | 1982-10-12 | Beloit Corporation | Use of anisotropic rubber for venta-nip rolls |
DE3121969C2 (de) * | 1981-05-11 | 1985-10-24 | Sulzer-Escher Wyss GmbH, 7980 Ravensburg | Entwässerungswalze einer Siebpresse |
US4366025A (en) * | 1981-06-04 | 1982-12-28 | Beloit Corporation | Suction press roll |
US4370231A (en) * | 1981-09-04 | 1983-01-25 | Lavalley Industrial Plastics, Inc. | Rotary drum filter |
US4906364A (en) * | 1988-12-29 | 1990-03-06 | Ingersoll-Rand Company | Filter deck assembly sliding seal |
US5063840A (en) * | 1990-07-27 | 1991-11-12 | Ingersoll-Rand Company | Pulp press vat providing enhanced bottom access |
US5244572A (en) * | 1991-12-06 | 1993-09-14 | Lavalley Industries, Inc. | Rotary drum filter with improved deck structure |
US5273512A (en) * | 1992-08-07 | 1993-12-28 | Ducasse Joseph C V | Mill feeder roll |
-
1993
- 1993-05-14 US US08/062,092 patent/US5470471A/en not_active Expired - Lifetime
-
1994
- 1994-05-05 CA CA002160536A patent/CA2160536C/en not_active Expired - Lifetime
- 1994-05-05 JP JP6525537A patent/JPH09500327A/ja active Pending
- 1994-05-05 BR BR9406297A patent/BR9406297A/pt not_active Application Discontinuation
- 1994-05-05 EP EP94916016A patent/EP0697909A4/en not_active Withdrawn
- 1994-05-05 WO PCT/US1994/004962 patent/WO1994026388A1/en not_active Application Discontinuation
-
1995
- 1995-10-19 NO NO954179A patent/NO954179D0/no unknown
- 1995-11-13 FI FI955458A patent/FI955458A0/fi unknown
Also Published As
Publication number | Publication date |
---|---|
BR9406297A (pt) | 1995-12-26 |
WO1994026388A1 (en) | 1994-11-24 |
EP0697909A4 (en) | 1997-03-12 |
US5470471A (en) | 1995-11-28 |
FI955458A (fi) | 1995-11-13 |
NO954179L (no) | 1995-10-19 |
NO954179D0 (no) | 1995-10-19 |
JPH09500327A (ja) | 1997-01-14 |
CA2160536A1 (en) | 1994-11-24 |
FI955458A0 (fi) | 1995-11-13 |
EP0697909A1 (en) | 1996-02-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20140505 |